/usr/include/quagga/sockopt.h is in quagga 0.99.23.1-1+deb8u5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 | /* Router advertisement
* Copyright (C) 1999 Kunihiro Ishiguro
*
* This file is part of GNU Zebra.
*
* GNU Zebra is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2, or (at your option) any
* later version.
*
* GNU Zebra is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Zebra; see the file COPYING. If not, write to the Free
* Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#ifndef _ZEBRA_SOCKOPT_H
#define _ZEBRA_SOCKOPT_H
#include "sockunion.h"
extern int setsockopt_so_recvbuf (int sock, int size);
extern int setsockopt_so_sendbuf (const int sock, int size);
extern int getsockopt_so_sendbuf (const int sock);
#ifdef HAVE_IPV6
extern int setsockopt_ipv6_pktinfo (int, int);
extern int setsockopt_ipv6_checksum (int, int);
extern int setsockopt_ipv6_multicast_hops (int, int);
extern int setsockopt_ipv6_unicast_hops (int, int);
extern int setsockopt_ipv6_hoplimit (int, int);
extern int setsockopt_ipv6_multicast_loop (int, int);
extern int setsockopt_ipv6_tclass (int, int);
#endif /* HAVE_IPV6 */
/*
* It is OK to reference in6_pktinfo here without a protecting #if
* because this macro will only be used #if HAVE_IPV6, and in6_pktinfo
* is not optional for HAVE_IPV6.
*/
#define SOPT_SIZE_CMSG_PKTINFO_IPV6() (sizeof (struct in6_pktinfo));
/*
* Size defines for control messages used to get ifindex. We define
* values for each method, and define a macro that can be used by code
* that is unaware of which method is in use.
* These values are without any alignment needed (see CMSG_SPACE in RFC3542).
*/
#if defined (IP_PKTINFO)
/* Linux in_pktinfo. */
#define SOPT_SIZE_CMSG_PKTINFO_IPV4() (CMSG_SPACE(sizeof (struct in_pktinfo)))
/* XXX This should perhaps be defined even if IP_PKTINFO is not. */
#define SOPT_SIZE_CMSG_PKTINFO(af) \
((af == AF_INET) ? SOPT_SIZE_CMSG_PKTINFO_IPV4() \
: SOPT_SIZE_CMSG_PKTINFO_IPV6()
#endif /* IP_PKTINFO */
#if defined (IP_RECVIF)
/* BSD/Solaris */
#if defined (SUNOS_5)
#define SOPT_SIZE_CMSG_RECVIF_IPV4() (sizeof (uint_t))
#else
#define SOPT_SIZE_CMSG_RECVIF_IPV4() (sizeof (struct sockaddr_dl))
#endif /* SUNOS_5 */
#endif /* IP_RECVIF */
/* SOPT_SIZE_CMSG_IFINDEX_IPV4 - portable type */
#if defined (SOPT_SIZE_CMSG_PKTINFO)
#define SOPT_SIZE_CMSG_IFINDEX_IPV4() SOPT_SIZE_CMSG_PKTINFO_IPV4()
#elif defined (SOPT_SIZE_CMSG_RECVIF_IPV4)
#define SOPT_SIZE_CMSG_IFINDEX_IPV4() SOPT_SIZE_CMSG_RECVIF_IPV4()
#else /* Nothing available */
#define SOPT_SIZE_CMSG_IFINDEX_IPV4() (sizeof (char *))
#endif /* SOPT_SIZE_CMSG_IFINDEX_IPV4 */
#define SOPT_SIZE_CMSG_IFINDEX(af) \
(((af) == AF_INET) : SOPT_SIZE_CMSG_IFINDEX_IPV4() \
? SOPT_SIZE_CMSG_PKTINFO_IPV6())
extern int setsockopt_ipv4_multicast_if(int sock,
unsigned int ifindex);
extern int setsockopt_ipv4_multicast(int sock, int optname,
unsigned int mcast_addr,
unsigned int ifindex);
extern int setsockopt_ipv4_tos(int sock, int tos);
/* Ask for, and get, ifindex, by whatever method is supported. */
extern int setsockopt_ifindex (int, int, int);
extern int getsockopt_ifindex (int, struct msghdr *);
/* swab the fields in iph between the host order and system order expected
* for IP_HDRINCL.
*/
extern void sockopt_iphdrincl_swab_htosys (struct ip *iph);
extern void sockopt_iphdrincl_swab_systoh (struct ip *iph);
extern int sockopt_tcp_signature(int sock, union sockunion *su,
const char *password);
#endif /*_ZEBRA_SOCKOPT_H */
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